Uintah Mallet No. 50 at the Colorado Model Railroad Museum By Faith Finfrock | February 26, 2018 | Last updated on November 7, 2022 Watch this video from a fellow model railroader Email Newsletter Get the newest photos, videos, stories, and more from Trains.com brands. Sign-up for email today! Get Updates In this video, the Uintah Railway Mallet No. 50 and a 2-8-8-2 Rio Grande articulated locomotive take a work train from Klamath Falls to Lakeview on the Oregon, California & Eastern.